On the surface, it seemed like the perfect plot for a courtroom drama. An accused “killer nurse,” an “angel of death,” charged with murder in three “mercy killings” at the largest hospital in the Air …

Just what happened on Nov. 5 at Fort Hood seems to be a mystery that must be carefully but dutifully unraveled. At the heart of the case is what prompted Maj. Nidal Malik Hasan, an Army psychiatrist, …